| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // @dart = 2.6 |
| import 'dart:html' as html; |
| import 'dart:typed_data'; |
| |
| import 'package:ui/src/engine.dart'; |
| import 'package:ui/ui.dart'; |
| |
| /// Contains method name that was called on [MockEngineCanvas] and arguments |
| /// that were passed. |
| class MockCanvasCall { |
| MockCanvasCall._({ |
| this.methodName, |
| this.arguments, |
| }); |
| |
| final String methodName; |
| final dynamic arguments; |
| |
| @override |
| String toString() { |
| return '$MockCanvasCall($methodName, $arguments)'; |
| } |
| } |
| |
| /// A fake implementation of [EngineCanvas] that logs calls to its methods but |
| /// doesn't actually paint anything. |
| /// |
| /// Useful for testing interactions between upper layers of the system with |
| /// canvases. |
| class MockEngineCanvas implements EngineCanvas { |
| final List<MockCanvasCall> methodCallLog = <MockCanvasCall>[]; |
| |
| @override |
| html.Element get rootElement => null; |
| |
| void _called(String methodName, {dynamic arguments}) { |
| methodCallLog.add(MockCanvasCall._( |
| methodName: methodName, |
| arguments: arguments, |
| )); |
| } |
| |
| @override |
| void dispose() { |
| _called('dispose'); |
| } |
| |
| @override |
| void clear() { |
| _called('clear'); |
| } |
| |
| @override |
| void save() { |
| _called('save'); |
| } |
| |
| @override |
| void restore() { |
| _called('restore'); |
| } |
| |
| @override |
| void translate(double dx, double dy) { |
| _called('translate', arguments: <String, double>{ |
| 'dx': dx, |
| 'dy': dy, |
| }); |
| } |
| |
| @override |
| void scale(double sx, double sy) { |
| _called('scale', arguments: <String, double>{ |
| 'sx': sx, |
| 'sy': sy, |
| }); |
| } |
| |
| @override |
| void rotate(double radians) { |
| _called('rotate', arguments: radians); |
| } |
| |
| @override |
| void skew(double sx, double sy) { |
| _called('skew', arguments: <String, double>{ |
| 'sx': sx, |
| 'sy': sy, |
| }); |
| } |
| |
| @override |
| void transform(Float64List matrix4) { |
| _called('transform', arguments: matrix4); |
| } |
| |
| @override |
| void clipRect(Rect rect) { |
| _called('clipRect', arguments: rect); |
| } |
| |
| @override |
| void clipRRect(RRect rrect) { |
| _called('clipRRect', arguments: rrect); |
| } |
| |
| @override |
| void clipPath(Path path) { |
| _called('clipPath', arguments: path); |
| } |
| |
| @override |
| void drawColor(Color color, BlendMode blendMode) { |
| _called('drawColor', arguments: <String, dynamic>{ |
| 'color': color, |
| 'blendMode': blendMode, |
| }); |
| } |
| |
| @override |
| void drawLine(Offset p1, Offset p2, SurfacePaintData paint) { |
| _called('drawLine', arguments: <String, dynamic>{ |
| 'p1': p1, |
| 'p2': p2, |
| 'paint': paint, |
| }); |
| } |
| |
| @override |
| void drawPaint(SurfacePaintData paint) { |
| _called('drawPaint', arguments: paint); |
| } |
| |
| @override |
| void drawRect(Rect rect, SurfacePaintData paint) { |
| _called('drawRect', arguments: paint); |
| } |
| |
| @override |
| void drawRRect(RRect rrect, SurfacePaintData paint) { |
| _called('drawRRect', arguments: <String, dynamic>{ |
| 'rrect': rrect, |
| 'paint': paint, |
| }); |
| } |
| |
| @override |
| void drawDRRect(RRect outer, RRect inner, SurfacePaintData paint) { |
| _called('drawDRRect', arguments: <String, dynamic>{ |
| 'outer': outer, |
| 'inner': inner, |
| 'paint': paint, |
| }); |
| } |
| |
| @override |
| void drawOval(Rect rect, SurfacePaintData paint) { |
| _called('drawOval', arguments: <String, dynamic>{ |
| 'rect': rect, |
| 'paint': paint, |
| }); |
| } |
| |
| @override |
| void drawCircle(Offset c, double radius, SurfacePaintData paint) { |
| _called('drawCircle', arguments: <String, dynamic>{ |
| 'c': c, |
| 'radius': radius, |
| 'paint': paint, |
| }); |
| } |
| |
| @override |
| void drawPath(Path path, SurfacePaintData paint) { |
| _called('drawPath', arguments: <String, dynamic>{ |
| 'path': path, |
| 'paint': paint, |
| }); |
| } |
| |
| @override |
| void drawShadow( |
| Path path, Color color, double elevation, bool transparentOccluder) { |
| _called('drawShadow', arguments: <String, dynamic>{ |
| 'path': path, |
| 'color': color, |
| 'elevation': elevation, |
| 'transparentOccluder': transparentOccluder, |
| }); |
| } |
| |
| @override |
| void drawImage(Image image, Offset p, SurfacePaintData paint) { |
| _called('drawImage', arguments: <String, dynamic>{ |
| 'image': image, |
| 'p': p, |
| 'paint': paint, |
| }); |
| } |
| |
| @override |
| void drawImageRect(Image image, Rect src, Rect dst, SurfacePaintData paint) { |
| _called('drawImageRect', arguments: <String, dynamic>{ |
| 'image': image, |
| 'src': src, |
| 'dst': dst, |
| 'paint': paint, |
| }); |
| } |
| |
| @override |
| void drawParagraph(Paragraph paragraph, Offset offset) { |
| _called('drawParagraph', arguments: <String, dynamic>{ |
| 'paragraph': paragraph, |
| 'offset': offset, |
| }); |
| } |
| |
| @override |
| void drawVertices( |
| Vertices vertices, BlendMode blendMode, SurfacePaintData paint) { |
| _called('drawVertices', arguments: <String, dynamic>{ |
| 'vertices': vertices, |
| 'blendMode': blendMode, |
| 'paint': paint, |
| }); |
| } |
| |
| @override |
| void drawPoints(PointMode pointMode, Float32List points, double strokeWidth, |
| Color color) { |
| _called('drawPoints', arguments: <String, dynamic>{ |
| 'pointMode': pointMode, |
| 'points': points, |
| 'strokeWidth': strokeWidth, |
| 'color': color, |
| }); |
| } |
| |
| @override |
| void endOfPaint() { |
| _called('endOfPaint', arguments: <String, dynamic>{}); |
| } |
| } |